---
title: "CVE-2012-3387\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2012-3387?format=md
keywords: index, follow
---

# CVE-2012-3387

Publication date 23 July 2012

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

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## Description

Moodle 2.3.x before 2.3.1 uses only a client-side check for whether
references are permitted in a file upload, which allows remote
authenticated users to bypass intended alias (aka shortcut) restrictions
via a client that omits this check.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2012-3387?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| moodle | 18.10 cosmic | Not affected |
| 18.04 LTS bionic | Not affected |
| 17.10 artful | Ignored end of life |
| 17.04 zesty | Ignored end of life |
| 16.10 yakkety | Ignored end of life |
| 16.04 LTS xenial | Not affected |
| 15.10 wily | Ignored end of life |
| 15.04 vivid | Ignored end of life |
| 14.10 utopic | Ignored end of life |
| 14.04 LTS trusty | Not in release |
| 13.10 saucy | Ignored end of life |
| 13.04 raring | Ignored end of life |
| 12.10 quantal | Ignored end of life |
| 12.04 LTS precise | Ignored end of life |
| 11.10 oneiric | Ignored end of life |
| 11.04 natty | Ignored end of life |
| 10.04 LTS lucid | Ignored end of life |
| 8.04 LTS hardy | Ignored end of life |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

## Notes

---

### [sbeattie](https://launchpad.net/~sbeattie)

moodle 2.3.x only?

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-3387)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2012-3387)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2012-3387)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2012-3387)

### Other references

* <http://openwall.com/lists/oss-security/2012/07/17/1>
* <http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-33948>
* <https://www.cve.org/CVERecord?id=CVE-2012-3387>